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Posted to commits@lucene.apache.org by be...@apache.org on 2023/10/27 19:53:38 UTC

(lucene) branch branch_9x updated: Adding CHANGES for PR #12582

This is an automated email from the ASF dual-hosted git repository.

benwtrent pushed a commit to branch branch_9x
in repository https://gitbox.apache.org/repos/asf/lucene.git


The following commit(s) were added to refs/heads/branch_9x by this push:
     new 615697f9e97 Adding CHANGES for PR #12582
615697f9e97 is described below

commit 615697f9e97a85a766c5b52ea6feea70fb674e77
Author: Benjamin Trent <43...@users.noreply.github.com>
AuthorDate: Fri Oct 27 15:52:26 2023 -0400

    Adding CHANGES for PR #12582
---
 lucene/CHANGES.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index 7ca10b9310d..1d4abfacd8c 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -167,6 +167,9 @@ New Features
 * GITHUB#12685: Lucene now records if documents have been indexed as blocks in SegmentInfo. This is recorded on a per
   segment basis and maintained across merges. The property is exposed via LeafReaderMetadata. (Simon Willnauer)
 
+* GITHUB#12582: Add int8 scalar quantization to the HNSW vector format. This optionally allows for more compact lossy
+  storage for the vectors, requiring about 75% memory for fast HNSW search. (Ben Trent)
+
 Improvements
 ---------------------
 * GITHUB#12523: TaskExecutor waits for all tasks to complete before returning when Exceptions